| Primary Identifier | MGI:2176239 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mapk8 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A hygromycin resistance cassette replaced a 5.5 kb genomic fragment containing four exons of the gene. Western blot analysis on extracts derived from embryonic fibroblasts of homozygous mice confirmed that no detectable protein was expressed from this allele. |